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java.lang.NumberFormatException: null	at java.lang.Long.parseLong(Long.java:375)	at java.lang.Long.parseLong(Long.java:468)	at org.apache.jsp.WEB_002dINF.wf.submit_005ftask_jsp._jspService(submit_005ftask_jsp.java:110)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:840)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:622)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:560)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:488)	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1078)	at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:396)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:232)	at ru.runa.common.web.UTF8RequestProcessor.process(UTF8RequestProcessor.java:41)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:840)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:622)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:560)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:488)	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1078)	at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:396)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:232)	at ru.runa.common.web.UTF8RequestProcessor.process(UTF8RequestProcessor.java:41)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at ru.runa.common.web.filter.XSSFilter.doFilter(XSSFilter.java:18)	at ru.runa.common.web.filter.HTTPFilterBase.doFilter(HTTPFilterBase.java:50)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at ru.runa.common.web.filter.HTTPSessionFilter.doFilter(HTTPSessionFilter.java:49)	at ru.runa.common.web.filter.HTTPFilterBase.doFilter(HTTPFilterBase.java:50)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at ru.runa.af.web.filter.NTLMFilter.doFilter(NTLMFilter.java:54)	at ru.runa.common.web.filter.HTTPFilterBase.doFilter(HTTPFilterBase.java:50)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206)	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)	at java.lang.Thread.run(Thread.java:662)